
FMF Factory 4.1 RCT Slip-On Exhaust for KTM 250 / 350 / 450 Models - 045558
FMF Racing Factory 4.1 RCT Slip-On
Part Number: 045558
- Constructed from only aerospace grade materials that meets FMF exact specifications
- Shorter overall length is less susceptible to crash damage
- Shorter length design moves the muffler closer to the motor and improves centralize mass
- Greater canister volume helps reduce sound and increases packing life
- Race team tested and approved
- 100% Made in the USA
Massive power gains throughout the RPM range. FMF® uses the highest-quality proprietary blend of alloy titanium made especially to our standards. Quieter than stock. Huge weight savings. RTS (Rapid Tuning System) makes for easy sound insert changes as well as adding US Forestry-approved Spark Arrestor.
- Muffler Sleeve: Aluminum
- End Cap: Carbon Fiber
2016 KTM 500 XCF-W
2016 KTM 450 XCF-W
2015 KTM 500 XCF-W
2015 KTM 350 XC-F
2015 KTM 350 SX-F
2015 KTM 250 SX-F
2015 KTM 450 SX-F
2015 KTM 450 XCF-W
2015 KTM 250 XC-F
2014 KTM 500 XCF-W
2014 KTM 350 XC-F
2014 KTM 450 SX-F Factory Edition
2014 KTM 350 SX-F
2014 KTM 250 SX-F
2014 KTM 450 SX-F
2014 KTM 450 XCF-W
2014 KTM 250 XC-F
2013 KTM 500 XCF-W
2013 KTM 350 XC-F
2013 KTM 450 SX-F Factory Edition
2013 KTM 350 SX-F
2013 KTM 250 SX-F
2013 KTM 450 SX-F
2013 KTM 450 XCF-W
2013 KTM 250 XC-F
2012 KTM 500 XCF-W
2012 KTM 350 XC-F
2012 KTM 450 SX-F Factory Edition
2012 KTM 350 SX-F
2012 KTM 250 SX-F
2012 KTM 450 SX-F
2012 KTM 450 XCF-W
2012 KTM 250 XC-F
2011 KTM 350 SX-F
2011 KTM 250 SX-F
2011 KTM 450 SX-F
2016 Husqvarna FE 350
2015 Husqvarna FE 250
2015 Husqvarna FE 350
2014 Husqvarna FE 250
2014 Husqvarna FE 350
Original: $336.00
-65%$336.00
$117.60Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
FMF Racing Factory 4.1 RCT Slip-On
Part Number: 045558
- Constructed from only aerospace grade materials that meets FMF exact specifications
- Shorter overall length is less susceptible to crash damage
- Shorter length design moves the muffler closer to the motor and improves centralize mass
- Greater canister volume helps reduce sound and increases packing life
- Race team tested and approved
- 100% Made in the USA
Massive power gains throughout the RPM range. FMF® uses the highest-quality proprietary blend of alloy titanium made especially to our standards. Quieter than stock. Huge weight savings. RTS (Rapid Tuning System) makes for easy sound insert changes as well as adding US Forestry-approved Spark Arrestor.
- Muffler Sleeve: Aluminum
- End Cap: Carbon Fiber
2016 KTM 500 XCF-W
2016 KTM 450 XCF-W
2015 KTM 500 XCF-W
2015 KTM 350 XC-F
2015 KTM 350 SX-F
2015 KTM 250 SX-F
2015 KTM 450 SX-F
2015 KTM 450 XCF-W
2015 KTM 250 XC-F
2014 KTM 500 XCF-W
2014 KTM 350 XC-F
2014 KTM 450 SX-F Factory Edition
2014 KTM 350 SX-F
2014 KTM 250 SX-F
2014 KTM 450 SX-F
2014 KTM 450 XCF-W
2014 KTM 250 XC-F
2013 KTM 500 XCF-W
2013 KTM 350 XC-F
2013 KTM 450 SX-F Factory Edition
2013 KTM 350 SX-F
2013 KTM 250 SX-F
2013 KTM 450 SX-F
2013 KTM 450 XCF-W
2013 KTM 250 XC-F
2012 KTM 500 XCF-W
2012 KTM 350 XC-F
2012 KTM 450 SX-F Factory Edition
2012 KTM 350 SX-F
2012 KTM 250 SX-F
2012 KTM 450 SX-F
2012 KTM 450 XCF-W
2012 KTM 250 XC-F
2011 KTM 350 SX-F
2011 KTM 250 SX-F
2011 KTM 450 SX-F
2016 Husqvarna FE 350
2015 Husqvarna FE 250
2015 Husqvarna FE 350
2014 Husqvarna FE 250
2014 Husqvarna FE 350



















